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41 lines
1,010 B
C
41 lines
1,010 B
C
/* @(#)ffileread.c 1.13 09/06/30 Copyright 1986, 1996-2009 J. Schilling */
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/*
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* Copyright (c) 1986, 1996-2009 J. Schilling
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*/
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/*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* See the file CDDL.Schily.txt in this distribution for details.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file CDDL.Schily.txt from this distribution.
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*/
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#include "schilyio.h"
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EXPORT ssize_t
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ffileread(f, buf, len)
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register FILE *f;
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void *buf;
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size_t len;
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{
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register int fd;
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register ssize_t ret;
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int oerrno = geterrno();
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down2(f, _IOREAD, _IORW);
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fd = fileno(f);
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while ((ret = read(fd, buf, len)) < 0 && geterrno() == EINTR) {
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/*
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* Set back old 'errno' so we don't change the errno visible
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* to the outside if we did not fail.
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*/
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seterrno(oerrno);
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}
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return (ret);
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}
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